Home / 10,380.09-15,572.61-3,360.11

Finding the Fourth Proportional to 10,380.09, 15,572.61 and 3,360.11

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Solution

The fourth proportional to 10,380.09, 15,572.61 and 3,360.11 is: 5,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.09 : 15,572.61 = 3,360.11 : x
  2. Step 2: Convert to fraction form
    10,380.09/15,572.61 = 3,360.11/x
  3. Step 3: Cross multiply
    10,380.09x = 15,572.61 × 3,360.11
  4. Step 4: Simplify right side
    10,380.09x = 52,325,627.62
  5. Step 5: Solve for x
    x = 52,325,627.62/10,380.09
  6. Step 6: Final answer
    x = 5,040.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.